Briefing
Novo Nordisk's semaglutide (Wegovy/Ozempic) franchise peaked in market dominance before Eli Lilly's tirzepatide (Zepbound/Mounjaro) gained share rapidly, compressing Novo's multiple and triggering a prolonged period of share underperformance that preceded the current strategic review.
AstraZeneca's rebrand-era restructuring after losing Crestor exclusivity showed that name changes without pipeline replenishment failed to arrest institutional outflows; the stock only re-rated when Tagrisso and Lynparza trial data materially changed the growth narrative.
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